000
CXUS55 KRIW 011953
CLMGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1250 PM MST THU DEC 1 2016
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE SOUTH BIG HORN COUNTY
AIRPORT NEAR GREYBULL FOR THE MONTH OF NOVEMBER 2016...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF NOVEMBER 2016 WILL BE
AVAILABLE APPROXIMATELY IN JANUARY 2017 FROM THE NATIONAL CENTER FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCEI.NOAA.GOV/OL/
CLIMATEDATA.HTML). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON
THE INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW
...NOVEMBER WAS RECORD WARM AND SLIGHTLY DRY FOR GREYBULL...
THE AVERAGE TEMPERATURE FOR GREYBULL IN NOVEMBER WAS 39.7 DEGREES...
WHICH WAS 9.2 DEGREES ABOVE NORMAL. THIS TIES THE RECORD (WITH 1999)
OF THE WARMEST NOVEMBER SINCE 1998. THE WARMEST READING OF THE MONTH
WAS 66 DEGREES ON THE 4TH AND 15TH...AND THE COLDEST WAS 16 ON THE
30TH. THREE RECORD HIGHS OCCURRED LAST MONTH...65 DEGREES ON THE
3RD...BREAKING 64 SET BACK IN 2001...64 DEGREES ON THE 9TH...
BREAKING 60 SET BACK IN 2001...AND 66 DEGREES ON THE 15TH...BREAKING
62 SET BACK IN 1999.
TOTAL PRECIPITATION FOR THE MONTH WAS 0.23...WHICH WAS 77 PERCENT OF
NORMAL. THE WETTEST 24 HOUR PERIOD WAS THE 21ST...WHEN 0.15 OF AN
INCH FELL...WHICH ALSO SET A NEW DAILY RECORD...BREAKING 0.03 SET
BACK IN 2003. THE HIGHEST WIND GUST WAS 50 MPH ON THE 28TH.
...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2016...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 73 11/01/2014
11/08/1999
11/06/1999
LOW -22 11/16/2014
HIGHEST 66 11/15
11/04
LOWEST 16 11/30
AVG. MAXIMUM 52.7 43.1 9.6
AVG. MINIMUM 26.7 17.9 8.8
MEAN 39.7 30.5 9.2
DAYS MAX >= 90 0
DAYS MAX <= 32 1
DAYS MIN <= 32 28
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 0.80 2002
MINIMUM 0.00 2009
TOTALS 0.23 0.30 -0.07
DAILY AVG. 0.01 0.01 0.00
DAYS >= .01 4
DAYS >= .10 1
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.15 11/21 TO 11/21
DEGREE_DAYS
HEATING TOTAL 752 1035 -283
SINCE 7/1 1375 1857 -482
COOLING TOTAL 0 0 0
SINCE 1/1 887 669 218
.................................................
WIND (MPH)
AVERAGE WIND SPEED 5.5
HIGHEST WIND SPEED/DIRECTION 38/330 DATE 11/28
HIGHEST GUST SPEED/DIRECTION 50/330 DATE 11/28
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.20
NUMBER OF DAYS FAIR 25
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 64
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 2 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 3 SLEET 0
FOG 4 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO DECEMBER 2016...WINTER BEGINS OFFICIALLY AT 344 AM
ON DECEMBER 21ST. THE AVERAGE HIGH TEMPERATURE ON THE FIRST OF THE
MONTH IS 33 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 10 DEGREES.
THE AVERAGE HIGH BY THE END OF THE MONTH IS 28 DEGREES...AND THE
AVERAGE LOW TEMPERATURE IS 5 ABOVE. THE AVERAGE MONTHLY
PRECIPITATION IS 0.28 INCHES.
$$